Sanctioned Matchup Predictor
Joanna Ma vs Jan Yu
Past Head-to-Head Rubbers (7)
| Winner | Loser | Score | Event | Rating Delta | |
|---|---|---|---|---|---|
| Joanna Ma | def. | Jan Yu | 2009 Australian Veterans Championships (2009-10-24) | 0 | |
| Joanna Ma | def. | Jan Yu | 3,5,3 | 2010 Australian Veterans Championships (2010-10-24) | 0 |
| Joanna Ma | def. | Jan Yu | 7,8,4 | 2014 Australian Veterans Championships (2014-10-25) | 0 |
| Joanna Ma | def. | Jan Yu | 7,-9,6,10 | 2015 Australian Veterans Championships (2015-10-24) | 0 |
| Joanna Ma | def. | Jan Yu | 6,6,-8,3 | 2015 Australian Veterans Championships (2015-10-24) | 0 |
| Joanna Ma | def. | Jan Yu | -10,4,2,6 | 2017 Australian Veterans Championships (2017-10-14) | 0 |
| Joanna Ma | def. | Jan Yu | 7,3,5 | 2018 Australian Veterans Championships (2018-10-20) | 0 |